fix: read desc of class before compute by rule

[tangcent]

fix #645

[codecov-commenter]

Codecov Report

Merging #649 (3ce58a2) into master (230ba26) will increase coverage by 0.027%.
The diff coverage is 57.143%.

@@               Coverage Diff               @@
##              master      #649       +/-   ##
===============================================
+ Coverage     57.879%   57.906%   +0.027%     
+ Complexity      2054      2053        -1     
===============================================
  Files            237       237               
  Lines          10845     10840        -5     
  Branches        2528      2526        -2     
===============================================
  Hits            6277      6277               
+ Misses          3369      3363        -6     
- Partials        1199      1200        +1     

Flag	Coverage Δ
unittests	57.906% <57.143%> (+0.027%)	⬆️

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Impacted Files	Coverage Δ
...ea/plugin/api/export/markdown/MarkdownFormatter.kt	64.769% <0.000%> (ø)
...idea/plugin/api/export/postman/PostmanFormatter.kt	66.042% <0.000%> (ø)
...kotlin/com/itangcent/idea/psi/UltimateDocHelper.kt	62.500% <62.500%> (ø)
...lugin/api/export/core/DefaultFormatFolderHelper.kt	68.750% <100.000%> (ø)
...itangcent/idea/plugin/settings/XmlSettingBinder.kt	62.500% <0.000%> (-4.167%)	⬇️

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